This release of Amazon Route 53 adds support for AWS CloudTrail, tagging for hosted zones and domains, the ability to create alarms when you create health checks, and a new status column for health checks in the Amazon Route 53 console.

This is a feature update for Amazon Route 53. It includes an improved user interface for monitoring health checks using CloudWatch and the ability to create resource record sets by importing a zone file in BIND format.

This release of Amazon Route 53 introduces alias resource record sets, which allow you to create zone apex aliases; weighted resource record sets; a new API (2011-05-05), and a service-level agreement. In addition, after nearly six months in beta, Amazon Route 53 is now generally available.